std::match_results::length(3) C++ Standard Libary std::match_results::length(3) NAME std::match_results::length - std::match_results::length Synopsis difference_type length( size_type n = 0 ) const; (since C++11) Returns the length of the specified sub-match. If n == 0, the length of the entire matched expression is returned. If n > 0 && n < size(), the length of n^th sub-match is returned. if n >= size(), a length of the unmatched match is returned. The call is equivalent to (*this)[n].length(). Parameters n - integral number specifying which match to examine Return value The length of the specified match or sub-match. See also operator[] returns specified sub-match (public member function) length returns the length of the match (if any) (public member function of std::sub_match<BidirIt>) http://cppreference.com 2024.06.10 std::match_results::length(3)
NAME | Synopsis | Parameters | Return value | See also
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